The results of the experiments were ______ and they will have to be done again.

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问题 The results of the experiments were ______ and they will have to be done again.

选项 A、opaque
B、ambiguous
C、obscure
D、illegible

答案B

解析逻辑关系题：因果。既然这些实验需要重新做，那么实验结果应该不是很清楚了，答案[B] ambiguous“含糊不清的，不明确的”。[A]opaque“难理解的；不透明的”[C]obscure“模糊的，朦胧的”，指光线暗的；[D]illegible“难辨认的，字迹模糊的”。

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大学英语六级

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